BE848684A - Procede de codage-digital de longueur courante avec reduction des redondances, pour la transmission d'informations d'images codees en binaire - Google Patents
Procede de codage-digital de longueur courante avec reduction des redondances, pour la transmission d'informations d'images codees en binaireInfo
- Publication number
- BE848684A BE848684A BE172641A BE172641A BE848684A BE 848684 A BE848684 A BE 848684A BE 172641 A BE172641 A BE 172641A BE 172641 A BE172641 A BE 172641A BE 848684 A BE848684 A BE 848684A
- Authority
- BE
- Belgium
- Prior art keywords
- redundancies
- redundancy
- transmission
- image information
- encoded image
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/46—Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/005—Statistical coding, e.g. Huffman, run length coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/41—Bandwidth or redundancy reduction
- H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
- H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
- H04N1/419—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which encoding of the length of a succession of picture-elements of the same value along a scanning line is the only encoding step
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752552751 DE2552751C2 (de) | 1975-11-25 | Verfahren zur digitalen Lauflängencodierung mit Redundanzreduktion für die Übertragung von binär codierten Bildinformationen |
Publications (1)
Publication Number | Publication Date |
---|---|
BE848684A true BE848684A (fr) | 1977-03-16 |
Family
ID=5962537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE172641A BE848684A (fr) | 1975-11-25 | 1976-11-24 | Procede de codage-digital de longueur courante avec reduction des redondances, pour la transmission d'informations d'images codees en binaire |
Country Status (10)
Country | Link |
---|---|
US (1) | US4121259A (ja) |
JP (1) | JPS5816669B2 (ja) |
AU (1) | AU503988B2 (ja) |
BE (1) | BE848684A (ja) |
CA (1) | CA1103355A (ja) |
DK (1) | DK527876A (ja) |
FR (1) | FR2333386A1 (ja) |
GB (1) | GB1565054A (ja) |
NL (1) | NL7613048A (ja) |
SE (1) | SE406407B (ja) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4229768A (en) * | 1978-03-30 | 1980-10-21 | Canon Kabushiki Kaisha | Information processing apparatus |
US4316222A (en) * | 1979-12-07 | 1982-02-16 | Ncr Canada Ltd. - Ncr Canada Ltee | Method and apparatus for compression and decompression of digital image data |
US4506325A (en) * | 1980-03-24 | 1985-03-19 | Sperry Corporation | Reflexive utilization of descriptors to reconstitute computer instructions which are Huffman-like encoded |
US4360840A (en) * | 1980-05-13 | 1982-11-23 | Am International, Inc. | Real time data compression/decompression scheme for facsimile transmission system |
CA1189974A (en) * | 1980-08-04 | 1985-07-02 | Nippon Electric Co., Ltd. | Code conversion system |
JPS5799083A (en) * | 1980-12-12 | 1982-06-19 | Hitachi Ltd | Coding method |
US4420771A (en) * | 1981-02-09 | 1983-12-13 | Bell Telephone Laboratories, Incorporated | Technique for encoding multi-level signals |
AU555476B2 (en) * | 1981-10-15 | 1986-09-25 | Motorola, Inc. | Binary encoding |
JPS58129876A (ja) * | 1981-12-29 | 1983-08-03 | Fujitsu Ltd | フアクシミリ装置 |
JPS5937773A (ja) * | 1982-08-26 | 1984-03-01 | Canon Inc | ランレングス符号復号装置 |
US4467363A (en) * | 1982-09-27 | 1984-08-21 | International Business Machines Corporation | Graphic data compression |
GB8313331D0 (en) * | 1983-05-14 | 1983-06-22 | Int Computers Ltd | Decoding run-length encoded data |
US4578704A (en) * | 1983-06-20 | 1986-03-25 | At&T Bell Laboratories | Image coding technique |
US4574382A (en) * | 1983-10-05 | 1986-03-04 | International Business Machines Corporation | Variable length character code system |
US4568983A (en) * | 1983-12-07 | 1986-02-04 | The Mead Corporation | Image data compression/decompression |
US4610027A (en) * | 1983-12-30 | 1986-09-02 | International Business Machines Corporation | Method for converting a bit map of an image to a run length or run end representation |
JPH0644712B2 (ja) * | 1984-05-22 | 1994-06-08 | 株式会社アドバンス | 信号処理方式 |
US4796003A (en) * | 1984-06-28 | 1989-01-03 | American Telephone And Telegraph Company | Data compaction |
US4646356A (en) * | 1984-06-29 | 1987-02-24 | International Business Machines Corporation | Method for converting a bit map of an image to a run length or run end representation |
US4626829A (en) * | 1985-08-19 | 1986-12-02 | Intelligent Storage Inc. | Data compression using run length encoding and statistical encoding |
US5027376A (en) * | 1985-10-30 | 1991-06-25 | Microcom Systems, Inc. | Data telecommunications system and method for transmitting compressed data |
FR2591050B1 (fr) * | 1985-12-04 | 1990-07-20 | Thomson Cgr | Procede et dispositif de compression par codage conditionnel d'images numeriques sans perte d'informations |
JP2672521B2 (ja) * | 1987-09-21 | 1997-11-05 | 株式会社東芝 | 画像処理方法 |
US4813056A (en) * | 1987-12-08 | 1989-03-14 | General Electric Company | Modified statistical coding of digital signals |
US4821290A (en) * | 1988-02-09 | 1989-04-11 | General Electric Company | Decoder for digital signal codes |
US5056113A (en) * | 1988-09-22 | 1991-10-08 | Megasoft Inc. | Data communication system |
US5146221A (en) * | 1989-01-13 | 1992-09-08 | Stac, Inc. | Data compression apparatus and method |
US5532694A (en) * | 1989-01-13 | 1996-07-02 | Stac Electronics, Inc. | Data compression apparatus and method using matching string searching and Huffman encoding |
US5249066A (en) * | 1989-02-14 | 1993-09-28 | Fujitsu Limited | Method and system for writing and reading coded data |
AU8309991A (en) * | 1990-08-07 | 1991-12-10 | Josef Dirr | Picture coding, for example for telefax and colour television |
JPH0773286B2 (ja) * | 1991-05-27 | 1995-08-02 | メガソフト株式会社 | データ伝送方法 |
JPH05199420A (ja) * | 1991-10-25 | 1993-08-06 | Minolta Camera Co Ltd | 符号化方式 |
US5576835A (en) * | 1992-02-24 | 1996-11-19 | Dirr; Josef | Method for run-length coding for shortening transmission time |
KR0162197B1 (ko) * | 1992-05-30 | 1998-12-15 | 강진구 | 영상데이타의 가변장부호와/복호화방법 및 장치 |
EP0620960B1 (de) * | 1992-11-06 | 1999-03-10 | Josef Dirr | Verfahren zur codierung und übertragung von information |
JP3651941B2 (ja) * | 1994-11-28 | 2005-05-25 | キヤノン株式会社 | 画像再生装置 |
US5727036A (en) * | 1995-11-22 | 1998-03-10 | Mitsubishi Semiconductor America, Inc. | High bit rate start code searching and detecting circuit and method |
US5751231A (en) * | 1996-06-26 | 1998-05-12 | Intel Corporation | Method and apparatus for run-length encoding using special long-run codes |
US6075470A (en) * | 1998-02-26 | 2000-06-13 | Research In Motion Limited | Block-wise adaptive statistical data compressor |
US6118904A (en) * | 1998-08-27 | 2000-09-12 | The United States Of America As Represented By The National Security Agency | Method of encoding data to minimize the number of codewords |
KR20040054206A (ko) * | 2002-12-18 | 2004-06-25 | 삼성전자주식회사 | 복잡도를 줄인 코드 테이블을 사용하는 복조 장치 및 그방법 |
KR100579587B1 (ko) * | 2003-06-30 | 2006-05-15 | 주식회사 대우일렉트로닉스 | 홀로그래픽 재생 데이터 압축 장치 및 방법 |
JP5216347B2 (ja) * | 2008-02-04 | 2013-06-19 | 株式会社ニューフレアテクノロジー | 描画装置及び描画データの変換方法 |
WO2014150056A1 (en) | 2013-03-15 | 2014-09-25 | Numbergun Llc | Improvements for base64 encoding and decoding |
CN108777800A (zh) * | 2018-06-25 | 2018-11-09 | 广州科政数码科技有限公司 | 电子货架标签图像数据的压缩,解压,处理方法及系统 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3474442A (en) * | 1966-10-03 | 1969-10-21 | Xerox Corp | Format generator circuit |
US3748379A (en) * | 1970-01-22 | 1973-07-24 | Electronic Image Sys Corp | Run length coding technique |
US3739085A (en) * | 1971-07-09 | 1973-06-12 | Addressograph Multigraph | Coding technique |
JPS5135328B2 (ja) * | 1971-09-10 | 1976-10-01 | ||
JPS5129354B2 (ja) * | 1972-02-17 | 1976-08-25 | ||
US3830965A (en) * | 1973-01-03 | 1974-08-20 | Eg & G Inc | Apparatus and method for transmitting bandwidth compressed digital signal representation of a visible image |
-
1976
- 1976-11-17 AU AU19739/76A patent/AU503988B2/en not_active Expired
- 1976-11-17 SE SE7612829A patent/SE406407B/xx unknown
- 1976-11-22 GB GB48664/76A patent/GB1565054A/en not_active Expired
- 1976-11-23 NL NL7613048A patent/NL7613048A/xx not_active Application Discontinuation
- 1976-11-23 US US05/744,341 patent/US4121259A/en not_active Expired - Lifetime
- 1976-11-24 BE BE172641A patent/BE848684A/xx unknown
- 1976-11-24 FR FR7635406A patent/FR2333386A1/fr active Granted
- 1976-11-24 DK DK527876A patent/DK527876A/da not_active Application Discontinuation
- 1976-11-25 CA CA266,540A patent/CA1103355A/en not_active Expired
- 1976-11-25 JP JP51141762A patent/JPS5816669B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2333386A1 (fr) | 1977-06-24 |
AU1973976A (en) | 1978-05-25 |
JPS5816669B2 (ja) | 1983-04-01 |
AU503988B2 (en) | 1979-09-27 |
SE406407B (sv) | 1979-02-05 |
GB1565054A (en) | 1980-04-16 |
JPS5266315A (en) | 1977-06-01 |
SE7612829L (sv) | 1977-05-26 |
FR2333386B3 (ja) | 1980-10-17 |
US4121259A (en) | 1978-10-17 |
DE2552751B1 (de) | 1977-03-31 |
CA1103355A (en) | 1981-06-16 |
DK527876A (da) | 1977-05-26 |
NL7613048A (nl) | 1977-05-27 |
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